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avpacket: Initialize the allocated padding area in side data

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This makes sure that consumers of the side data actually can
rely on the padding as intended, without having the callers of
av_packet_new_side_data to explicitly zero initialize it.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2018-02-01 14:56:49 +02:00
parent 5085f25ace
commit 8965e2af92
1 changed files with 1 additions and 0 deletions
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libavcodec/avpacket.c
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@ -271,6 +271,7 @@ uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!data)
return NULL;
memset(data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
ret = av_packet_add_side_data(pkt, type, data, size);
if (ret < 0) {